USE OF ROOT ELONGATION STUDIES TO DETERMINE ALUMINUM AND LEAD TOXICITY IN PICEA-ABIES SEEDLINGS

被引：53

作者：

GODBOLD, DL

KETTNER, C

机构：

[1] Forstbotanisches Institut, Universität Göttingen, Göttingen, 3400

来源：

JOURNAL OF PLANT PHYSIOLOGY | 1991年 / 138卷 / 02期

关键词：

PICEA-ABIES; ROOT ELONGATION; ALUMINUM; LEAD; TOLERANCE; CO-TOLERANCE;

D O I：

10.1016/S0176-1617(11)80276-2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effect of various supplies of aluminium and lead, singly and in combination, on root elongation of Picea abies seedlings was investigated. Exposure to 50, 100 or 800-mu-M Al inhibited root elongation within 1 day. In the 50 and 200-mu-M treatments root elongation recovered completely after 5 or 8 days exposure, respectively. At higher Al supply (800 or 1200-mu-M) root elongation was inhibited over the duration of the experiment. Differences in Al tolerance were found between individual seedlings. Lead supplied at 0.5-2.0-mu-M Pb also inhibited root elongation, and no recovery of root elongation was found. Inhibition of root elongation by Pb was lessened by the presence of Al.

引用

页码：231 / 235

页数：5

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